2019 NASCAR Xfinity Series

Tyler Reddick entered as the defending champion, and won his second championship over Cole Custer and Christopher Bell, who were known as "the big three" over the course of the season as they dominated the vast majority of the races.

Reddick also clinched the 2019 Regular Series Championship following the 2019 Rhino Pro Truck Outfitters 300 at Las Vegas Motor Speedway.

[1] Reddick became the first back-to-back champion to drive for two different teams (JR Motorsports in 2018 and Richard Childress Racing in 2019).

Italics – Pole position set by final practice results or owner's points.

Italics - Pole position set by final practice results or rainout.

Tyler Reddick , the 2019 Xfinity Series and regular season champion.
Cole Custer finished second behind Reddick in the championship.
Christopher Bell finished third in the championship.
Justin Allgaier finished fourth in the championship.
Chase Briscoe , the 2019 NASCAR Xfinity Series Rookie of the Year .
Chevrolet won the manufacturer's championship with 10 wins and 1191 points.
The CTECH Manufacturing 180 at Road America in August